48867486906521 has 2 divisors, whose sum is σ = 48867486906522. Its totient is φ = 48867486906520.

The previous prime is 48867486906479. The next prime is 48867486906523. The reversal of 48867486906521 is 12560968476884.

48867486906521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33397707855625 + 15469779050896 = 5779075^2 + 3933164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48867486906521 is a prime.

Together with 48867486906523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48867486906523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24433743453260 + 24433743453261.

It is an arithmetic number, because the mean of its divisors is an integer number (24433743453261).

Almost surely, 2^{48867486906521} is an apocalyptic number.

It is an amenable number.

48867486906521 is a deficient number, since it is larger than the sum of its proper divisors (1).

48867486906521 is an equidigital number, since it uses as much as digits as its factorization.

48867486906521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1114767360, while the sum is 74.

The spelling of 48867486906521 in words is "forty-eight trillion, eight hundred sixty-seven billion, four hundred eighty-six million, nine hundred six thousand, five hundred twenty-one".